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Issue 12, 2017
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Supramolecular catalyst functions in catalytic amount: cucurbit[8]uril accelerates the photodimerization of Brooker’s merocyanine

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Abstract

Supramolecular catalysis aims to modulate chemical reactions on both selectivity and rate by taking advantage of supramolecular chemistry. However, due to the effect of product inhibition, supramolecular catalysts are usually added in stoichiometric amounts. Herein, we report a supramolecular catalysis system in which 1% of the supramolecular catalyst, cucurbit[8]uril, is able to significantly accelerate the photodimerization of Brooker’s merocyanine. This catalytic process is realized in a cyclic manner because the photodimerized product can be spontaneously replaced by monomeric reactants via competitive host–guest complexation. Thus, a catalytic amount of cucurbit[8]uril is sufficient to accomplish photodimerization within 10 min. This line of research will enrich the field of supramolecular catalysis and allow the development of more efficient catalytic systems.

Graphical abstract: Supramolecular catalyst functions in catalytic amount: cucurbit[8]uril accelerates the photodimerization of Brooker’s merocyanine

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Publication details

The article was received on 20 Sep 2017, accepted on 12 Oct 2017 and first published on 13 Oct 2017


Article type: Edge Article
DOI: 10.1039/C7SC04125J
Citation: Chem. Sci., 2017,8, 8357-8361
  • Open access: Creative Commons BY license
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    Supramolecular catalyst functions in catalytic amount: cucurbit[8]uril accelerates the photodimerization of Brooker’s merocyanine

    Y. Kang, X. Tang, H. Yu, Z. Cai, Z. Huang, D. Wang, J. Xu and X. Zhang, Chem. Sci., 2017, 8, 8357
    DOI: 10.1039/C7SC04125J

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